| commit | c47023dceb11fcb06c2405ea11eca10ea1139aa0 | [log] [tgz] |
|---|---|---|
| author | Ryotaro Kasuga <kasuga.ryotaro@fujitsu.com> | Wed Apr 02 15:40:37 2025 +0900 |
| committer | GitHub <noreply@github.com> | Wed Apr 02 15:40:37 2025 +0900 |
| tree | d5ba9ef2873a1857ce784dd312c3267aa91312f7 | |
| parent | 964650b69e57d5e9e6102a4b400c8da16f6a1e27 [diff] |
[clang][CodeGen] Make pragma-loop test more rboust (NFC) (#133707)
pragma-loop.cpp contains tests for loop metadata generated by pragma
directives. These tests didn't work as (perhaps) expected. This is
because the regex `.*` consumes multiple elements in the metadata. For
example, there was a check directive like this.
```
// CHECK: ![[LOOP_9]] = distinct !{![[LOOP_9]], ![[WIDTH_8:.*]], ![[FIXED_VEC]], ...}
```
In the above case, `[[WIDTH_8]]` would have been expected to match a
node like `[[WIDTH_8]] = !{!"llvm.loop.vectorize.width", i32 8}`.
However, since there is no check directive to verify the contents of
`[[WIDTH_8]]`, the regex `.*` consumed more than one element. There were
other similar cases.
This patch fixes the problem by not using regex matcher in the metadata
content (except for follow-up metadata). Instead, it uses string
variables whose contents are validated elsewhere.
Related:
https://github.com/llvm/llvm-project/pull/131985#discussion_r2014369699
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